OF DENISON UNIVERSITY. -j 



Library School, Prof. Dewey, Albany, New York. 



Amherst College, Science Dejjartment, Amherst, Massachusetts. 



Cambridge Philosophical Society, Cambridge, England. 



Royal Irish Academy, Dublin, Ireland. 



Uflficio Geologico, Rome, Italy. 



Comite Geologique, St. Petersburg, Russia. 



Institute des Mines, St. Petersburg, Russia. 

 New York Academy of Science, New York City, New York. 



Prof. J. M. Kemjj, Cornell University, Ithaca, New York. 



Patent Office Library, London, England. 



R. Accademia Delle Scienze Di Torino, Torino. Italy. 



Societa Reale Di Napoli, Naj)les, Italy. 

 National Academy of Science, Washington, District Columbia. 



Others who desire to make exchanges with the Association for its 

 Bulletin, will please address the Permanent Secretary of the Denison 

 Scientific Association, Denison University, (iranville, Ohio. 



